Barlow wrote both poems and novels. Her poetry collections include:
- Bog-land Studies (1892)
- The End of Elfintown (1894)
- Ghost-Bereft (1901)
- The Mockers and Other Verses (1908)
- Doings and Dealings (1913
- Between Doubting and Daring (1916)
- Irish Idylls (1892, went into eight editions)
- A Creel of Irish Stories (1897)
- From the East unto the West (1898)
- From the Land of the Shamrock (1900)
- By Beach and Bog Land (1905)
- Irish Neighbours (1907)
- Irish Ways (1909).
Her novels include Kerrigan’s Quality (1894) and The Founding of Fortunes (1902).